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1 /*
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2 * AudioEventMatcher.h
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3 * MultipleAudioMathcher
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4 *
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5 * Created by Andrew on 31/01/2012.
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6 * Copyright 2012 QMUL. All rights reserved.
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7 *
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8 */
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9
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10
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11
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12 #ifndef AUDIO_EVENT_MATCHER_H
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13 #define AUDIO_EVENT_MATCHER_H
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14
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15
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16 #include "ofMain.h"
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17 #include "ChromaOnset.h"
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18 #include "LiveAudioInput.h"
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19 #include "ofxWindowRegion.h"
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20 #include "BayesianArrayStructure.h"
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21 #include "RecordedMultitrackAudio.h"
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22 #include "DynamicVector.h"
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23 #include "AccompanimentSynchroniser.h"
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24
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25 class AudioEventMatcher{
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26
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27 public:
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28 AudioEventMatcher();
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29
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30 void setArraySizes();
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31
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32 void updatePosition();
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33 void updateBestAlignmentPosition();
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34
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35 void draw();
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36 void drawBayesianDistributions();;
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37 void setWindowDimensions();
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38
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39 void newPitchEvent(const int& channel, const double& pitchIn, const double& timeIn);
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40 void newKickEvent(const double& timeIn);
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41 void newKickEvent(const int& channel, const double& timeIn);
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42 void newSnareEvent(const double& timeIn);
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43 void newSnareEvent(const int& channel, const double& timeIn);
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44
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45 void matchNewPitchEvent(const int& channel, const double& pitchIn, const double& timeIn);
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46 void matchNewOnsetEvent(const int& channel, const double& timeIn);
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47
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48 BayesianArrayStructure bayesianStruct;//hold the probability distriubtions
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49
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50 LiveAudioInput liveInput;//hold the new events that come in
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51 RecordedMultitrackAudio recordedTracks;
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52
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53 void loadAudioFiles();
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54
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55 void windowResized(const int& w, const int& h);
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56
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57 ofxWindowRegion bayesTempoWindow;
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58 ofxWindowRegion bayesPositionWindow;
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59 ofxWindowRegion bayesLikelihoodWindow;
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60
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61 bool checkMatch(const double& recordedPitch, const double& livePitch);
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62 double getPitchDistance(const double& pitchOne, const double& pitchTwo, const double& scale);
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63
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64 void startPlaying();
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65 void stopPlaying();
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66 bool startedPlaying;
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67
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68 bool usingRealTime;
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69 double recentPitch, recentTime;
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70
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71 DynamicVector likelihoodVisualisation[3];
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72 DynamicVector recentPriors[3];
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73 //DynamicVector recentPrior;
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74 DynamicVector projectedPrior;
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75
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76 double currentAlignmentPosition;
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77 double lastAlignmentTime;
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78
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79 double recentEventTime[3];
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80 int startTime;
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81 int currentAlignmentTime;
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82
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83 double screenStartTimeMillis, screenEndTimeMillis, screenWidthMillis;
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84 bool followingLiveInput;
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85 void setScreenDisplayTimes();
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86
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87 AccompanimentSynchroniser synchroniser;
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88
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89 //params
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90 double onsetLikelihoodWidth;
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91 double onsetLikelihoodToNoise;
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92 double pitchLikelihoodToNoise;//more noise
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93
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94 double pitchOfNearestMatch;//for viz purposes
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95 double distanceOfNearestMatch;
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96 };
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97 #endif
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